Building my first computer

hello, i'm new here but ive been looking at articles for a year now and i was wondering if i could maybe see if you guys could set up a few builds here to show me. Below i will list the requirements, restrictions, and already owned parts/software for my build.

I have Windows 7
I need a monitor (preferred 120Hz)
Budget- 500-999
It needs to be able to run Team Fortress 2 with no problem whatsoever
I have a mouse and keyboard
Intel Preferrably but idc


Thanks ahead of time if you put one together

CPU: Intel Core i5 2500k
Motherboard: ASRock Z68 Extreme4 LGA 1155 Intel Z68 HDMI SATA 6Gb/s USB 3.0 ATX Intel Motherboard
Combo: $374.00
http://www.newegg.com/Product/Comb [...] mbo.777646
Memory: CORSAIR Vengeance 8GB (2 x 4GB) 240-Pin DDR3 SDRAM DDR3 1600 (PC3 12800) $46.99

Power Supply:$129.99
CORSAIR Enthusiast Series TX750M 750W ATX12V v2.31 / EPS12V v2.92 80 PLUS BRONZE Certified Modular High Performance e
http://www.newegg.com/Product/Prod [...] 6817139030
Case:$89.99
COOLER MASTER HAF 922 RC-922M-KKN1-GP Black Steel + Plastic and Mesh Bezel ATX Mid Tower Computer Case
http://www.newegg.com/Product/Prod [...] 6811119197

Graphics: $144.99
http://www.newegg.com/Product/Comb [...] mbo.777646
SAPPHIRE 100315L Radeon HD 6850 1GB 256-bit GDDR5 PCI Express 2.1 x16 HDCP Ready CrossFireX Support Video Card with Eyefinity

Monitor: $223.99
ViewSonic VX2268WM Black 22" 1680x1050 5ms 120Hz 3D-Ready Widescreen LCD Monitor w/Speakers 300 cd/m2 1000:1

Total: 962.96